feat: port over Craft CMS Twig filter that adds support for using reg…

…ex in the default Twig replace filter

packages/core-php/src/TwigExtensions/BoltCore.php

@@ -105,6 +105,7 @@ public function getFunctions() {
   public function getFilters() {
     return [
       Bolt\TwigFilters::json_decode(),
+      Bolt\TwigFilters::replaceFilter(),
     ];
   }
 

packages/core-php/src/TwigFilters.php

@@ -6,6 +6,30 @@
 use \Twig_SimpleFilter;
 
 class TwigFilters {
+  // ported over from https://github.com/craftcms/cms/blob/develop/src/web/twig/Extension.php#L459
+  /**
+   * Replaces Twig's |replace filter, adding support for passing in separate
+   * search and replace arrays.
+   *
+   * @param mixed $str
+   * @param mixed $search
+   * @param mixed $replace
+   * @return mixed
+   */
+  public static function replaceFilter() {
+    return new Twig_SimpleFilter('replace', function($str, $search, $replace = null) {
+      // Are they using the standard Twig syntax?
+      if (is_array($search) && $replace === null) {
+        return strtr($str, $search);
+      }
+      // Is this a regular expression?
+      if (preg_match('/^\/.+\/[a-zA-Z]*$/', $search)) {
+        return preg_replace($search, $replace, $str);
+      }
+      // Otherwise use str_replace
+      return str_replace($search, $replace, $str);
+    });
+  }
 
   public static function markdown() {
     return new Twig_SimpleFilter('markdown', function($string) {